Por país

• Estados Unidos80,66%
• Taiwan (Province of China)5,14%
• United Kingdom3,54%
• Korea (the Republic of)2,87%
• Switzerland2,46%
• Netherlands1,82%
• Canada0,84%
• Japan0,67%
• Germany0,62%
• Denmark0,42%
• France0,36%
• Ireland0,33%
• Other0,25%

Suma 99,98%.